Patents by Inventor Jan O. Lundberg

Jan O. Lundberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric control arrangement for use in object detecting system with high and low intensity light
    Patent number: 4778986
    Abstract: The invention relates to an electric control arrangement intended for use with object detecting systems, which include, inter alia, a light source (2) intended for transmitting light beams in a direction in which an object (3) to be detected can be expected to appear, at least one receiver unit (4, 5) for receiving light beams reflected by a detected object, and electrical and/or electronic devices for evaluating and detecting the presence of the object in response to variations that occur in the received reflected light beams as a result of relative movement between the object (3) to be detected and light beams (2a) transmitted by the light source.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: October 18, 1988
    Inventors: Jan O. Lundberg, Thord A. G. Nilson